I found a pill and it says M357 what kind of pill is it?

Does it look like this?

http://gsm.about.com/photos/photo_us_h/018/acet009f.jpg

i found a pill and it says M357 what kind of pill is it?
It's a vicodin or hydrocodone 5/500

The pill which you have found is a Vicodin tablet. 5/500. Used as a pain killer. Highly addictive after prolonged periods of use.